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Results for “HEMIANOPSIA”

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At least 91 records · Page 5Linked to original sources
PubMed1998

Homonymous hemianopsia due to a dural cavernous hemangioma.

The clinical and radiographic features of extra-axial cavernous hemangiomas are described, and a case of homonymous visual field loss due to a dural-based occipital cavernous hemangioma is reported. A patient presented with a homonymous hemianopsia due to an enhancing tentorial mass lesion. The preoperative clinical and magnetic resonance imaging features were suggestive of meningioma. The patient underwent gross total resection of the lesion and the final pathologic examination was consistent with cavernous hemangioma. There was complete resolution of the visual field defect after surgery. Extra-axial cavernous hemangiomas differ from intra-axial cavernous hemangiomas in their clinical and radiographic features. The former lesions may mimic meningioma and should be considered in the differential diagnosis of a dural-based mass. Early recognition of the lesion is important because surgical removal of cavernous hemangiomas may be associated with a higher morbidity and mortality rate than meningiomas.

Dura Mater↗
PubMed1980

[Traumatic bitemporal hemianopsia (author's transl)].

The authors report a case of traumatic bitemporal hemianopsia, without any macroscopic lesion in the chiasma. At this juncture, they argue about the different mechanisms which may occur in the pathogenesis of these lesions, and they dwell on the indirect mechanism of the quartering of the optic nerves, which is responsible for a tear in the chiasma.

Facial Injuries↗